Laurencio, Marta, Ana Rond?n, Grethel Mili?n, M. P?rez, F?tima Arteaga, and Ram?n Bocourt. 2012. “Isolation of Cecal Probiotic Bacteria and Characterization in the M2 Competitive Exclusion Medium”. Cuban Journal of Agricultural Science 46 (4). https://cjascience.com/index.php/CJAS/article/view/155.